/*
 Copyright (C) 2008  Maurizio Monticelli

 This program is free software; you can redistribute it and/or modify it under the terms of the 
 GNU General Public License as published by the Free Software Foundation; either version 2 of the 
 License, or (at your option) any later version.

 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without 
 even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General 
 Public License for more details.

 You should have received a copy of the GNU General Public License along with this program; if not, write 
 to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA 
*/

package ch.justdoit.andriodrpncalc.view.buttons;

import ch.justdoit.R;
import ch.justdoit.andriodrpncalc.model.Model;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.view.View;

public class ButtonKeyAlpha extends BaseImageButton implements IAlphaFunctionButton {


	public ButtonKeyAlpha(Context context, Model _model) {
		super(context, _model );
		setOnClickListener(onClickListener);
	}

	private OnClickListener onClickListener = new OnClickListener()
    {
        public void onClick(View v)
        {
    		model.setErrorMessage("");
        	if (command == 0) {
        		model.appendExpression(firstKey);
        	} 
        	if (command == 1) {
        		model.appendExpression(alphaKey);
        	}
        }
    };
	private int command;
	private int alphaResource;
	private String alphaKey;
	private int firstResource;
	private String firstKey;


	public void registerAlphaFunction (int r, String key) {
		alphaResource = r;
		alphaKey = key;
	}
	
	public void registerFirstFunction (int r, String key) {
		firstResource = r;
		firstKey = key;
		setImageResource(firstResource);
	}
	
	
	
	@Override
	public void onAlphaFunction() {
		setImageResource(alphaResource);
		command = 1;
		
	}

	@Override
	public void onFirstFunction() {
		setImageResource(firstResource);
		command = 0;
		
	}
}
